Separable fastener



sept 18,' 1928 G. JOHNSON SEPARABLE FASTENER Filed nec. 2o. 19.24

Invenor Guav Jofnson,

Patented Sept.A 18, 1928. V f .i i l i n l UNITED] SIA 'PATE Nr foFFI-C1143.,i` f

CUSTAV JOHNSON, OE WEST'EOXBURY, MASSACHUSETTS, ASSIGNOR "IOCARE EAS-`vTENEE COMPANY, OE CAMBRIDGE, MASSACHUSETTS, A CORPORATION OE MAINE.

SEPAEABIIE EASTENER.

, Application led December 20,1924. ,Serial Ne.` 757,152.`

This invention aims to providean improved completely termed, comprisethe gripping separable fastener; a surlace adjacent the carryingvmedium,the 50 In the drawings, which illustrate a plejaws and the. attachinlportions as best ierred embodiment of my inventionzillustrated in Figs.2 and t. The center or 5 Figure l is front elevation of the precapportion l of the socket'is preferably terred form of fastener; spacedV`away from the grippingY surface 6 to Fig. 2 is a section on the line2&2 ofFig. l: permit expansion and contraction of the re- 55 Figa v3 isa rear elevation ot the'one-piece lsil-lent jaws 5. These petal-lil eprojections socket attached to its support; n extend ifrom theperipheryof thec-ap portion Fig. t is an elevation view et thel socket l(Fig. inwardly;upwardlyv through the having the support removed,ycurtain and thenoutwardly over theL inner Fig. 5 is a section on theline 5 5 ot Fig.V `face ot the curtain, the jaws comprisingl those 60 4;,md j i portions of the projections between the inner Fig. 6 includes aside anda rear elevation and outerisui'ttaces of the fabric 2.

oi the socket before it is attached to its supllornially,'the attachingportions 4 extend port. y j parallel with the axis of the socketk sothat Referring' to the drawings, I have shown they may passthr'ough anaperture 7 in the 65 a snap fastener which includes a simple, incarryingmedium to be presented aty the back expensive and durable socket formedfrom a tace thereof.v They are then bent outwardly 2o single piece ofmetal. Heretotore separable and downvardly so thatV they lie againsttheV fastener soclret installations usually included `tace of thecarrying lmedium and spread over Y Y at least two parts, the socketpartand the a substantial portionthereof for securing the 70 clenchplate, especially in socket installations socket to thelsocket#carryingl medium.r` where the head of a Studis concealedk from`The stud,asillustrate'd,` includes a head 8,

view when the socket issecured tothe stud, j a neck 9 and a base portionl0 andfis secured `While in some instances, the socket .installatoaflexible carrying"material llby a tubular 1 tionmust ol necessitycomprise more than Y attaching rivet l2, as shown in Fig'. 2 i 75 onemetal part, I have found that a socket IVhenthe stud and socket arebeingien installation ot theA type mentioned above, gaged, the head S ofthe Stud is forced bemay besatis'factorily formed from a single tweenthe j aws 5, which, wi'ththe attaclrinir piece ot metal without loss ofdurability or portionslexpandorspreadto permit passage fasteninglqualities. i o v I ot the headand therealiterto grip the neck 9 80 c Thenovel construction of a one-piece `ot the stud (Fig. il). rrl`hustholstud and socksoclret installation, as illustrated by the draW- vetare held securely together andthe carryings, comprises a cap portionllocated at the ing mediums 2 and .ll lie so close together i front taceof the carrying medium 2, a studthat the studand socket ycannot beseparated receiving aperture 3, presented at the baclr by lateral strainexerted upon the carrying face of the carrying' medium, and a pluralitymediums in opposite directions. I l i ot attaching portions 4 adjacentthe stud-re- Separation ot' the fastener is preferably cifeeivingaperture 3. The stud-receiving' aperfected byan outward 4pull'on one etthe carryture 3 may be of fixed dimensions for recepine; mediun'is,while the other is held. l

tion of a resilient stud but I prefer to provide XVhile I have shown anddescribed a pre- 9o a plurality of resilient aws 5 which surroundtorredv formoi my invention, it willbe underi the aperture and cooperateVwith a stud'of c stood that I have` done so merelyfor claritiiiXeddimensions, as illustrated. cation','an jl .that my invention' is bestdefined' In forming the socket, I iirst stamp out a in thejlollowingclaim. n l Y piece ot metal to present a plurality of-petal- VI claim-95 like projectionswhich, when the socket is A onefpiece socket securedto a'support and presenting a pre-formed continuous cap member at oneside of the support a plurality of relatlvely long, narrow, attachingYlingers pressed directly against and extending over a substantialportion of the opposite side of the` support and being in Contact withthe support throughout the entire length of the atp taohing portions ofsaid lingers and a plurality of neck-engaging jaws provided by saidVgagingjaws. t

In Vtestimony whereof, I have signed my 15 fingers between the attachingportions there- T0 l narne to this speoiiication.

GUSTAV JOHNSON.

